Yamaha MT-09 2021 Service Manual page 607

• Short circuit check
TIP
Disconnect the ECU related connectors before checking.
Refer to "PARTS CONNECTED TO THE ECU" on page 9-4.
Ground short circuit check "A"
Between ABS ECU coupler "2" and ground
Lines short circuit check "B"
Rear wheel sensor coupler "1"
ABS ECU coupler "2"
ECU coupler "3"
A
2
W/G G Y L R/B Br L/W
L/W
R
G/O W/Y L B W Y L/B
*. MTN890
**. MTN890D
Is resistance ∞ Ω?
YES
→ Go to step 6.
NO
a. Replace the wire harness.
b. Execute the diagnostic mode. (Code 07)
c. Rotate the rear wheel by hand and check that the indicated value increases.
B/W
B
9-177
black–ground
white–ground
white/yellow–ground
black–any other coupler terminal
white–any other coupler terminal
black–any other coupler terminal
white–any other coupler terminal
white/yellow–any other coupler terminal
white/yellow–any other coupler terminal
B
1
B W
*
3
L/B Y/L
L/W B/Y
L/Y L/W
**
3
L/B Y/L O/W
L/W B/Y Br/L
L/Y L/W Lg/B
P0500, P1500
2
W/G G Y L R/B Br L/W
L/W B/W
R
G/O W/Y L B W Y L/B
P/W P V L L Gy
Gy/G Br/W B/L B/L
G/W G/W W/G W/Y
Lg/L P/W P V L L Gy
G/L Gy/G Br/W B/L B/L
G/W G/W W/G W/Y
B